The Rosemount Analytical RBI pH Sensor is designed for extended sensor life when used in applications with sulfides which are typically found in scrubbers. The Model RB is made with chemically resistant KYNAR. Optional installation methods allows standardization of entire plant with a minimum of sensor part numbers.
They're built with a Kynar body and is designed in two configurations. The 546 sensor is housed in a fully encapsulated body for use in pipe tees or submersed in a tank. The 547 is the ball valve retractable version; the sensor body can be replaced and the titanium sensor sheath assembly (sold separately) can be reused. Both sensor types are built with a high performance J glass, notched tip with a Teflon junction, and a PT100 RTD. The integral cable is prepared with tinned leads for easy wiring.
Please consider these optional accessories.
This product can be used in the following applications:
The Background: Our customer is an industrial facility who’s process creates nitrogen oxide as a byproduct. Nitrogen oxide is a powerful pollutant that needs to be removed from the plant’s emissions before they are released to the atmosphere. It is removed using a wet scrubber. The customer needs an effective means of monitoring the pH of the wet scrubber to ensure the proper concentration of the chemicals used to remove the nitrogen oxide.
The Problem: The wet scrubber uses sodium hydroxide and sodium hydrosulfide to remove the nitrogen oxide. Both of these compounds are powerful alkalis meaning the pH can be as high as 12. A pH that high cannot be accurately measured with many pH electrodes. The pH is also high enough to damage electrodes.
The Solution: We recommended the Rosemount Analytical RBI pH Sensor which is designed for challenging environments. The RBI has a measuring range up to 14 pH and has a chemically resistant KYNAR body. The RBI includes has 5 junctions to resist poisoning extend sensor life.
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